Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

INSIDE THE COMPUTERMore about Data Bus

‰The more data buses available, the better the CPU

¾Think of data buses as highway lanes

‰More data buses mean a more expensive CPU and computer

¾The average size of data buses in CPUs varies between 8 and 64

‰Data buses are bidirectional

¾To receive or send data

‰The processing power of a computer is related to the size of its buses